co.cask.cdap.etl.api.streaming

Class Windower

java.lang.Object

co.cask.cdap.etl.api.streaming.Windower

All Implemented Interfaces:

PipelineConfigurable, Serializable

@Beta
public abstract class Windower
extends Object
implements PipelineConfigurable, Serializable

Windowing plugin.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	PLUGIN_TYPE

Constructor Summary

Constructors

Constructor and Description
Windower()

Method Summary

Methods

Modifier and Type	Method and Description
void	configurePipeline(PipelineConfigurer pipelineConfigurer)
abstract long	getSlideInterval()
abstract long	getWidth()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PLUGIN_TYPE

public static final String PLUGIN_TYPE

See Also:

Constant Field Values

Constructor Detail

Windower

public Windower()

Method Detail

configurePipeline

public void configurePipeline(PipelineConfigurer pipelineConfigurer)
                       throws IllegalArgumentException

Specified by:

configurePipeline in interface PipelineConfigurable

Throws:

IllegalArgumentException

getWidth

public abstract long getWidth()

Returns:

the width of the window in seconds. Must be a multiple of the underlying batch interval.

getSlideInterval

public abstract long getSlideInterval()

Returns:

the slide interval of the window in seconds. Must be a multiple of the underlying batch interval.